General Motors may have given the Cadillac CT6 a new lease of life in North America by extending production at the Detroit Hamtramck facility until January 2020, but what happens next is anyone’s guess.

As it turns out, the automaker is willing to keep the model in its lineup. Cadillac president Steve Carlisle has revealed in an interview with Road&Track that this depends on how the ongoing negotiations with the United Auto Workers (UAW) union turn out.

According to the Carlisle, anything beyond January 2020 is “tied up, to a great extent with [United Auto Workers] negotiations.” As things stand right now, GM will shut down the Detroit-Hamtramck plant at the beginning of next year, effectively discontinuing the Cadillac CT6 and Chevrolet Impala sedans.

Also Read: Cadillac Drops 2.0-Liter CT6 From Its Family

GM’s contract with the UAW runs out in mid-September, and talks to ratify a new labor agreement begun last month. The automaker does not seem keen to drop the CT6, however, as the luxury sedan serves as a flagship for Cadillac. The tech-laden model was only introduced in 2016 and recently received its first facelift for the 2019 model year.

Still, this likely won’t stop GM from using the threat of closing Detroit-Hamtramck as leverage in the negotiations with UAW. But even if the plant is shut down come January 2020, that does not necessarily mean the CT6 will be dropped from the U.S. market as The General has already said it was considering building the luxury sedan at another plant or importing it from China.

However, the latter option seems unlikely in light of the ongoing trade war between the two countries. It looks like GM is keeping its cards close to the chest at the moment regarding the fate of the CT6 in North America as it juggles with the UAW negotiations and the ongoing restructuring efforts.

One thing is certain, though: the CT6 will live on in China, where it is very popular.